Attachment for dental appliance



FIG. 1 is a perspective view of an attachment for dental appliance showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the attachment for dental appliance that form no part of the claimed design. 

CLAIM The ornamental design for an attachment for dental appliance, as shown and described. 